Former antagonist, wields Saikou Seiken, seeks knowledge.
Kamen Rider Saber rider, wields the Saikou sword, dispatched to Egypt for demon combat.
Kai is someone Mei spends time with later in the story while discussing how difficult it is to be watched as Yamato’s girlfriend. His conversations with Mei help frame her insecurity and her wish to become more confident, making him a supporting figure connected to her emotional development.
Introduced to 住友糸真 by 国重晴歌, who hopes she might find a boyfriend of her own. The plot summary gives no further information about his actions or relationship with 住友糸真, so his role beyond this introduction is not established.
A student at Ooezo whose week-long absence prompts Hachiken and their classmates to wonder when he will return. Komaba's family ranch is in financial trouble, and he decides to leave school and work to help with the debt, partly to avoid burdening Hachiken's family, which co-signed his loan.
Sister of Reika and Tetsuo, former antagonist seeking knowledge.
Toshifumi is Yuichi Makibara's uncle. After Yuichi wakes with retrograde amnesia, Toshifumi helps him begin to recover and teaches him the basics of cooking in the kitchen. His support helps Yuichi build a new connection to food and adopt the childhood nickname Napoli.
Tomohiro Ichikawa has 23 screen credits in a career dating back to 2007. Their work spans 3 cinematic universes — most prominently Kamen Rider Saber Collection with 2 titles. Signature works include Hotaru no Hikari: It's Only a Little Light in My Life, Perfect Education: étude, The Death, Her and Me. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 3 universes
